Hello, some people have been reporting game hang/freeze with mumble enabled.
It might be related to voice targets and all crashing users had this warning:
(It was impacting 5% of people)
InitializeAudioDevice: failed GetMMDeviceFromGUID
task mgr dump: https://drive.google.com/file/d/1cmaeog2cp9p1zhN4oV8zjR5Zameg8dRL/view